序言本文副标题所说的U5330文书,20世纪初被德国吐鲁番探险队发掘出来,现在是柏林科学院(Berlin-Brandenburgische Akademie der Wissenschaften,以下简称BBAW)所藏回鹘文文献中的一件。此文书由俄国突厥学家拉德洛夫校订并译成德文,作为其《回鹘文文书资料集》(Uigurische Sprachdenkm?ler=USp)中的第77号文书公开出版。此后,对于13~14世纪蒙古时代畏 Preface The U5330 instrument referred to in the subheadings of this essay, unearthed by the Turpan Expedition of Germany in the early 20th century, is now one of the essays in the 回 literary collection of the Berlin-Brandenburgische Akademie der Wissenschaften (hereinafter referred to as BBAW). This instrument, revised and translated into German by the Russian Turks scientist Ladlov, is published as No. 77 in its Uigurische Sprachdenkmörr = USp. Since then, fear of the Mongol times from the 13th to the 14th century